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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42f9f668109e0e63bfbd83f803f9ea405bfe7490e553e9939f69bef3cbcd17b0. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42f9f668109e0e63bfbd83f803f9ea405bfe7490e553e9939f69bef3cbcd17b0
SHA3-384 hash: 656eebf0fd7aa35b0e0167390f7dc620ecc24238a6d06b4a31ca3354a436f5631b2d2e29eca05ee103dfa3c7b07fc750
SHA1 hash: f50476136ae5f79ae61797c0c13ca55cb9a14619
MD5 hash: 4e816efea9c1a77d867f77bc06c1a0b7
humanhash: single-cold-mississippi-bravo
File name:42f9f668109e0e63bfbd83f803f9ea405bfe7490e553e9939f69bef3cbcd17b0
Download: download sample
Signature Mirai
Create hunting rule
File size:128'800 bytes
First seen:2026-10-23 04:37:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lQSRAUw7iZcvhwHEEakOOj492TDVx2WaAkBWzGqAwOhcnoPwxtu4X+:hUwldOdATDaWaAkBWzG7w9nEwq
TLSH T11BC31B8ABC809F11D5D625BAFE1E118D33534BB8E3FA7103DE149B29678AC6B0E37505
Magika elf
Reporter Cyphher
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9951089-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Connection attempt
Opens a port
Sends data to a server
DNS request
Receives data from a server
Runs as daemon
Substitutes an application name
Deleting of the original file
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6adaeda48eb17164581e3847/reports/a8d1d731-28cd-4590-bd2e-3f7b3a5e8b91/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
144
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/42f9f668109e0e63bfbd83f803f9ea405bfe7490e553e9939f69bef3cbcd17b0
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-23T00:10:00Z UTC
Last seen:
2026-10-24T18:19:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/42f9f668109e0e63bfbd83f803f9ea405bfe7490e553e9939f69bef3cbcd17b0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7fa3a80a-644f-4046-b0f4-bf9016cb5595
Behavior Graph:
Download SVG
%3 guuid=8e38f2cc-1b00-0000-4ed0-7f19ea090000 pid=2538 /usr/bin/sudo guuid=bcc9ffcf-1b00-0000-4ed0-7f19f0090000 pid=2544 /tmp/sample.bin guuid=8e38f2cc-1b00-0000-4ed0-7f19ea090000 pid=2538->guuid=bcc9ffcf-1b00-0000-4ed0-7f19f0090000 pid=2544 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5cdb4f6b-ff63-465b-b861-1e0fc39dc7dd
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/42f9f668109e0e63bfbd83f803f9ea405bfe7490e553e9939f69bef3cbcd17b0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/42f9f668109e0e63bfbd83f803f9ea405bfe7490e553e9939f69bef3cbcd17b0/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-10-23 05:16:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=il47m2aqtyhghp55qp4ah6pkibn745eq4vj6te47ng7phs6nc6ya._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/261023-fyatlszx3k/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Unexpected DNS network traffic destination
Contacts a large (142088) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/42f9f668109e0e63bfbd83f803f9ea405bfe7490e553e9939f69bef3cbcd17b0

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_0ea505fa
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 42f9f668109e0e63bfbd83f803f9ea405bfe7490e553e9939f69bef3cbcd17b0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3961881/
  
Delivery method
Distributed via web download

Comments